/**
*      author: Y_Yao
*      created: 2025-04-04 10:27:02
**/

#include<bits/stdc++.h>

#define int LL
using namespace std;
using LL = long long;
const LL LLINF = 9e18;
const int INF = 0x3f3f3f3f;
const int N = 100 + 7;
int n,m;
int a[N];

void solve()
{
    cin >> n >> m;
    for(int i = 1;i <= n;i++)
    {
        cin >> a[i];
    }
    int ans = 0;
    for(int i = 1;i <= n;i++)
    {
        if(m >= a[i])
        {
            ans++;
            m -= a[i];
        }
        else break;
    }
    cout << ans << endl;
}

signed main()
{
    ios::sync_with_stdio(false);
    cin.tie(0);

    int t = 1;
    // cin >> t;
    while(t--)
    {
        solve();
    }
    return 0;
}